But this drone footage following a dedicated U.S. Post Office employee delivering mail in a completely burned-out neighborhood in Santa Rosa is one of the most striking things we've seen in a long time. The driver is the only sign of life in the otherwise desolate suburb.

As for the famous words "Neither snow nor rain nor heat nor gloom of night stays these couriers from the swift completion of their appointed rounds", that sentence is a quote from The Persian Wars by Herodotus; it is chiseled in the granite edifice of the New York City Post Office on Eighth Avenue.

The video raises a central question, given that houses are reduced to rubble and much of the area is under a mandatory evacuation order and curfew: Who's going to get that mail?

The San Jose Mercury News reported that the USPS was honoring the requests of a few customers who asked for their mail to be left in their mailboxes because they were being allowed back in the area to get some personal items.

"I've covered wildfires and floods before and I've never seen anything like it", he added.

A postman delivers mail in fire-devastated Santa Rosa, California.

Douglas Thron, an Oakland-based drone cinematographer, has photographed California wildfires and their aftermath for decades.

At least 23 people have died and 3,500 homes and businesses have been destroyed since Sunday, as wind-whipped wildfires continue to ravage Northern California.